Breast cancer on the world wide web: cross sectional survey of quality of information and popularity of websites
Breast cancer on the world wide web: cross sectional survey of quality of information and popularity of websites
复制标题
DOI：
10.1136/bmj.324.7337.577
复制
发表时间：
2002-03-09
影响因子：
105.7
通讯作者：
Singletary, SE
中科院分区：
文献类型：
--
作者：
Meric, F;Bernstam, EV;Singletary, SE
ObjectiveTo determine the characteristics of popular breast cancer related websites and whether more popular sites are of higher quality.Design使用搜索引擎Google生成一个关于乳腺癌的网站列表。谷歌通过链接流行度（从其他网站链接到一个网站的数量）对搜索结果进行排名。在回答“乳腺癌”这个问题时返回的前200个网站被分为“更受欢迎”和“不太受欢迎”的子组，这是通过三种不同的链接流行度来衡量的：Google排名和Google和阿尔塔维斯塔独立报告的链接数量（另一个搜索引擎）主要结果测量内容的类型和质量结果根据谷歌排名，更受欢迎的网站比不太受欢迎的网站更有可能包含正在进行的临床试验信息（27%对12%，P=0.01）、试验结果（12%对3%，P=0.02）和心理社会调整的机会（48%对23%，P < 0.01）。这些特征也与Google和阿尔塔维斯塔报告的更多链接相关。按链接网站数量计算，更受欢迎的网站也更有可能提供其他乳腺癌研究的最新信息、立法和宣传信息以及留言板服务。质量的措施，如显示的作者，归属或引用，货币的信息，并披露groups.Conclusions之间没有差异的网站的受欢迎程度与类型，而不是质量的内容-网站，包括与流行程度相关的内容可能最能满足公众对乳腺癌的信息的愿望。
Objectives To determine the characteristics of popular breast cancer related websites and whether more popular sites are of higher quality.Design The search engine Google was used to generate a list of websites about breast cancer. Google ranks search results by measures of link popularity-the number of links to a site from other sites. The top 200 sites returned in response to the query "breast cancer" were divided into "more popular" and "less popular" subgroups by three different measures of link popularity: Google rank and number of links reported independently by Google and by AltaVista (another search engine).Main outcome measures Type and quality of contentResults More popular sites according to Google rank were more likely than less popular ones to contain information on ongoing clinical trials (27% v 12%, P=0.01), results of trials (12% v 3%, P=0.02), and opportunities for psychosocial adjustment (48% v 23%, P < 0.01). These characteristics were also associated with higher number of links as reported by Google and AltaVista. More popular sites by number of linking sites were also more likely to provide updates on other breast cancer research, information on legislation and advocacy, and a message board service. Measures of quality such as display of authorship, attribution or references, currency of information, and disclosure did not differ between groups.Conclusions Popularity of websites is associated with type rather than quality of content Sites that include content correlated with popularity may best meet the public's desire for information about breast cancer.